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3
Important safety instructions
Hazard warnings on the rear of the charger
The label shown on the left is attached to the rear of the charger. The
symbols on this label have the following meaning:
This symbol is intended to alert the user to the presence of uninsulated
dangerous voltage within the device’s enclosure that may be of sufficient
magnitude to constitute risk of fire or electric shock.
This symbol is intended to alert the user to the risk of electric shock if the
device is opened. There are no user serviceable parts inside. Refer servicing
to qualified personnel only.
This symbol is intended to alert the user to the presence of important
operating and maintenance instructions in the literature accompanying
this device.
Overloading
Do not overload wall outlets and extension cables as this may result in fire
and electric shock.
If you switch on several chargers at the same time, you can blow the fuse
due to the high switch-on voltage! Therefore, never switch on more than
three chargers at the same time, e.g. via a switchable multi-outlet power
strip.
Replacement parts
When replacement parts are required, be sure the service technician has
used replacement parts specified by Sennheiser or those having the same
characteristics as the original part. Unauthorized substitutions may result
in fire, electric shock, or other hazards.
Safety check
Upon completion of any service or repairs to this device, ask the service
technician to perform safety checks to determine that the device is in a
safe operating condition.
Intended use of the device
Intended use of the device includes:
• using the device for professional purposes,
• having read these instructions especially the chapter “Important safety
instructions” on page 2,
• using the device within the operating conditions and limitations
described in this instruction manual.
“Improper use” means using the device other than as described in these
instructions, or under operating conditions which differ from those
described herein.